PS Audio Stellar Strata Owner's manual

Brand: PS Audio

Model: Stellar Strata

Type: Owner's manual

This manual is also suitable for

STRATA

Owner’s Reference

Stellar

™

Strata Amplier

Safety Information 3

Introduction

ank You

Contact Information

Symbols Found On the Stellar Strata

Included With the Stellar Strata

Getting Started

5-12

e Remote

Installation Considerations

Analog Inputs

Digital Inputs (continued)

Plugging In e Power Cable

Front Panel View

6-7

Rear Panel View

Country Specic AC Voltages

Analog Outputs

Connecting the Speaker Cables

Powering on Your Stellar Strata

Digital Inputs

Connecting a Subwoofer

Trigger Output

Idle Mode

Table of Contents

Stellar Strata Amplier

Activating the Unit

Volume and Balance 14

HT 14

Streaming

Selecting an Input

Input Select 14

Using the Remote

Power up Transient

Idle Mode 14

Display Dim 14

Adjusting the Volume

Filter and Phase 14

Operation Guide

13-23

Specications

24-28

Service Information 31

Changes To Our Products

International Warranty Service

Warranty Service Within North America

Your Product

Warranty 29-30

What is Warranty Covers

Registering Your Product

Menu Features

Filter 16

Backlight 19

Headphone Trim 18

Factory Reset 21

Network Select 22

Shipping

Limitations Under is Warranty

Warranty Transfer

What is Warranty Does Not Cover

Phase 15

Trigger Delay 19

Volume Trim

Update 21

Wi-Fi Setup

Audio Sub Menu 17

Display Metadata 20

Wi-Fi 22

Analog 3 Fixed Volume 19

Network Status 21

Password Screen 23

Balance 15

System Sub Menu 19

Input Names 17

PS Audio Access 20

Wi-Fi 22

Version 17

Display Timeout

Speaker Maximum Volume 18

Network Sub Menu 21

Router Accept Screen 21

Table of Contents

Stellar Strata Amplier

Important Safety

Instructions

READ AND FOLLOW ALL INSTRUCTIONS

HEED ALL WARNINGS

Stellar Strata Amplier

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT

EXPOSE THIS APPARATUS TO RAIN OR MOISTURE. OBJECTS FILLED WITH LIQUIDS,

SUCH AS VASES, SHOULD NOT BE PLACED ON THE APPARATUS. THIS APPARATUS

MUST BE CONNECTED TO A MAINS AC OUTLET WITH A PROTECTIVE GROUND

CONNECTION.

Clean only with a dry cloth. Do not place ammable material on top of or beneath the unit.

e PS Audio

Stellar Strata Amplier is a passively cooled component that requires adequate

ventilation at all times during operation.

Do not remove or bypass the ground pin on the end of the AC cord. All PS Audio

products

ship with a grounding-type plug. If the provided plug does not t into your outlet, consult an

electrician for replacement of the obsolete outlet.

Protect the power cord from being walked on or pinched, particularly at plugs, convenience

receptacles, and the point where they exit from the apparatus. Unplug this apparatus during

lightning storms.

When making connections to this or any other component, make sure all components are

powered o. Turn o all systems’ power before connecting the PS Audio

component to any

other component. Make sure all cable terminations are of the highest quality.

THERE ARE NO USER-SERVICEABLE PARTS INSIDE THIS PS AUDIO PRODUCT. REFER

ALL SERVICE NEEDS TO QUALIFIED SERVICE PERSONNEL.

Please contact your authorized dealer, distributor, or PS Audio

directly if you have any questions

or concerns that are not addressed in this reference manual.

PS AudioPS Audio

®®

, the sine wave logo, and PerfectWavePerfectWave

®®

are registered trademarks of PS Audio, Inc., and

are restricted for use by PS Audio, Inc., its subsidiaries, and authorized agents. StellarStellar

™™

, Power Power

PlantPlant

™™

, MultiWaveMultiWave

™™

, CleanWaveCleanWave

™™

, and Gain CellGain Cell

™™

are trademarks of PS Audio, Inc.

is product was designed and assembled in Boulder, Colorado with globally sourced

components.

Safety Information

a n k Yo u ank you for purchasing PS Audio’s Stellar Strata Amplier. is is your comprehensive

Operator’s Guide, intended to provide a full overview of the Stellar Strata Amplier’s functions

and capabilities. It is our intention to provide you with full details about the Stellar Strata

Amplier and to answer any and all questions you may have. If you have additional questions

or concerns that are not addressed in this guide, please contact us and we will be happy to assist

you.

Indicates compliance with European Union Legislation for relevant safety (Low Voltage

Directive 2006/95/EC) and EMC (EMC Directive 2004/108/EC) requirements.

Is intended to tell the user that parts inside the product are a risk of electric shock to

persons.

Is intended to tell the user that important operating and servicing instructions are in the

papers with the appliance.

Signies that the instrument complies with European Union Waste Electrical and

Electronic Equipment Directive.

Indicates that the unit is in compliance with the European Union Reduction of Hazardous

Substances Directive.

Symbols Found

On e Stellar

Strata

Contact

Information

PS Audio, Inc.

4865 Sterling Drive

Boulder, CO 80301

1 (800) PSAUDIO

service@psaudio.com

www.psaudio.com

Stellar Strata Amplier

Introduction

Stellar Strata Amplier

Getting Started

Included With

e Stellar

Strata

• 6-foot Power Cable

• Owner’s Reference Manual

• Remote Control

• 2 AAA batteries

Stellar Strata Amplier

Getting Started

e Remote

e O button. is turns the Strata o.1

Fixed Volume Button (Home eater). is

toggles Fixed Volume mode on or o.

Le/Right/Up/Down arrow keys. Up and Down

adjust volume. Le / Right adjusts balance.

Filter mode button. Select F1, F2, or F3 lters.

Note that this only applies to digital inputs.

Volume button. + volume up, - volume down.5

Input select section.6

e On button. is turns the Strata on.7

e Dim button. is shuts o the display.8

e Mute button. is mutes the audio output.9

e phase button. Toggles between in phase

and out of phase.

e remote uses 2 AAA batteries that are in-

cluded and will need to be installed.

Front Panel View 1

Input Select and Menu Button

IR sensor3

Display

Volume Knob5

Headphone Output6

Stellar Strata Amplier

Getting Started

Logo/ Power On/O Button

Getting Started

Rear Panel View Power switch1

IEC inlet

USB rmware port3

Network input (# 9)

COAX inputs (# 5 & 6)7

USB audio input (# 8)5

Optical input (# 7)6

Trigger output9

Right analog output10

Le analog output11

Single ended analog input (# 3)

Right balanced analog input (# 1)15

Single ended analog input (# 2)13

S input (# 4)8

Stellar Strata Amplier

14 Single ended analog input (# 1)

4 5

8 9 10

12 13 14

19 20

Le balanced analog input (# 1)16

Right negative speaker output17

Le positive speaker output20

Right positive speaker output18

19 Le negative speaker output

Installation

Considerations

Location

Once your new Stellar Integrated Amplier is unpacked, you will need to nd a convenient

place to set it. A good locations in a cabinet or on a shelf at an easily accessible height. e IR

(infrared) receiver for the remote is located to the le of the display screen. A direct line of sight

will help with Stellar Strata Amplier’s IR sensor. e Strata and the Stellar Phono Preamplier

were designed to stack on top of each other if they are not placed on separate shelves. Do not

remove the feet.

Mounting

e Stellar Integrated Amplier should be placed with consideration of providing air circulation

to the unit. If you wish to install the Strata into your component rack, the purchase of an

aermarket, custom-designed shelf may be necessary.

If your equipment is located a long distance from the Strata, it is preferable to use a long, heavy

gauge shielded power cable between the AC receptacle in the wall and the Strata, rather than long

individual cables between the connected components.

Plugging In e

Power Cable

You may use either the provided power cable or an aermarket power cable to connect your

unit to AC power. For best results, we strongly recommend the use of a PS Audio PerfectWave

Power AC cable, or any high-quality aermarket power cable. It is always preferable to feed

your equipment using an excellent power cable, as there will be a signicant performance

improvement over the stock power cable.

To connect your unit to AC power, plug the at end of the power cord into the IEC AC inlet and

the pronged end into a wall socket.

Stellar Strata Amplier

Getting Started

Country Specic

AC Voltages

e Stellar Strata Amplier, as with most PS Audio products, is country specic to its incoming

AC voltage. is means the unit can only be operated at its preset voltage, such as 230 volts

for most of Europe and Asia, 100 volts for Japan, and 120 volts for the US and other similar

countries. Immediate damage can occur if you try and power the Strata with a voltage on which

it was not designed to operate.

Stellar Strata Amplier

Getting Started

Analog Inputs

Refer to the picture of the back panel on page eight.

e Stellar Strata Amplier has three stereo analog inputs that can be used to connect analog

sources such as phono preampliers, tuners, and tape decks.

Input #1 has both balanced (XLR) and unbalanced (RCA) connectors. It is intended that only

one of these connectors be used at a time, although the unit has been designed to prevent damage

to both itself and the connected equipment if this were to happen. Use the balanced (XLR) inputs

for your most critical analog source, typically your phono preamplier.

Input #2 has only unbalanced (RCA) connectors.

Input #3 is a special input with two dierent operating modes. With the default settings the unit

is shipped from the factory with, this input will behave as a normal input the same as Input #2.

However this input can also be congured as a “Fixed Volume” input. In this mode the volume

setting is xed to a user-dened level, and is unaected by the main volume control. is is

useful when using the Stellar Strata Amplier as the front le and right channels in a system that

also has a home theater processor. See the menu section of this manual for details on how to

congure Input #3 for Fixed Volume mode.

Analog Output e Stellar Strata Amplier has one stereo analog output that can be used to connect an

additional amplier or powered subwoofer.

Digital Inputs e Stellar Strata Amplier has six stereo digital inputs that can be used to connect digital

sources such as CD transports, computers, and the internet.

Input #4 is an I2S input. I2S is the standard connection method that almost all the IC chips inside

a digital audio product use and has separate wires for the data and the clocks. By connecting your

equipment using this connection you can be assured that the audio information is delivered with

the absolute minimum amount of processing. It can be connected to a PS Audio PWT, DMP, or

many other third party pieces of equipment. e I2S input uses standard HDMI cables for the

connection. Please note that although HDMI cables are used, the connector is not compatible

with HDMI and you cannot connect this input to the HDMI output on a disc player or other

device. e I2S input can accept up to 384KHz 24 bit PCM or native DSD128 source material.

Stellar Strata Amplier

Getting Started

Digital Inputs,

Continued

Inputs #5 and #6 are coaxial S/PDIF inputs. ese inputs are compatible with a wide variety

of sources. e coax inputs can accept up to 192KHz 24 bit PCM. e Stellar Strata Amplier

cannot accept DSD or DoP signals on the coax inputs.

Input #7 is an optical S/PDIF input. is is similar to the coax inputs except the signal is

delivered over an optical cable. Because of the limitations of optical cable, the sample rate on this

input may be limited to 96KHz.

Input 8 is the USB input. If you are using USB, make sure both the computer and Stellar Strata

Amplier are connected and powered up. USB requires a driver to operate properly. Mac

computers running OSX have the driver built in. Windows 10 also has the driver built in.

However, computers with older versions of Windows will require the PS Audio driver to be

installed. Download the driver from our website; it is the same driver used in all PSAudio USB

products. e Strata will show up under Device Manager under a heading PS Audio USB 2.0

Audio Devices. e USB input can accept up to 384KHz PCM, and DSD128 that is either native

or DoP encoded.

You can obtain a copy of the driver here: http://www.psaudio.com/support/downloads/

Input #9 is the streaming audio input. Connecting this input to your computer network will

allow you to play music from any computer in your home with UPnP (Universal Plug and Play).

It will also allow you to play music directly from Spotify using “Spotify Connect”. In addition,

by using the PS Audio PS Connect app on your compatible mobile device you can play music

from your network directly to your Strata using Tidal, Qobuz and many other music services.

e PS Connect app allows your smartphone to function as a controller for the Strata’s streaming

functionality. Note: the Strata does not have Bluetooth connectivity.

ere are two options for connecting the streaming input: wired Ethernet or Wi-Fi. If a wired

connection is available, this will usually be the easiest to set up. Simply connect the Strata to

your network router or switch with a good quality Cat 5 or better Ethernet cable. If a wired

connection is not available, you can use the Strata’s built-in Wi-Fi to connect to your network.

ere are two options for selecting the wireless network: You can select it manually or use Strata’s

WPS feature. Refer to the menu section for more information.

Trigger Output e Stellar Strata Amplier has a trigger output for remotely controlling another power amplier

or other equipment. is trigger output is approximately 9VDC and can deliver up to 40mA.

is is compatible with the trigger inputs on all PS Audio equipment and many other devices.

ere is a time delay between when the Stellar Strata Amplier is activated and when the trigger

output is turned on. is delay can be adjusted in the Settings menu.

Stellar Strata Amplier

Getting Started

Powering On

Your Stellar

Strata

Once the unit is connected to power, ip the master power switch on the rear panel to the On

position. e PS Audio logo LED button on the front panel will glow blue when the unit is

powered on and ready for use.

Connecting e

Speaker Cables

e Stellar Strata Amplier uses custom machined connectors. ese connectors accept spade,

banana, or wire connections.

WARNING! Never connect speaker cables while the amp is on. Turn o the amplier using the

switch on the back panel before making the speaker connections.

Idle Mode e master power switch on the rear panel should remain on at all times. When your connected

equipment is not in use, the Stellar Strata can be placed in Idle mode. Putting your unit in Idle

mode will deactivate all of its output relays.

Idle mode can be activated/deactivated by pressing the PS Audio logo button, located on the

upper le hand corner of the Strata front panel. When the logo button is not lit, the Stellar Strata

is in Idle mode. Idle mode can also be activated/deactivated by pressing the On/O button in the

top le hand corner of the remote.

CAUTION: Activate Idle mode before powering down your unit using the rear panel master

power switch.

Connecting a

Subwoofer

e Stellar Strata Amplier is a balanced amplier. is means that both the positive and

negative speaker terminals are driven by the amplier. THE BLACK TERMINALS ARE NOT

GROUND. Do not connect the black terminals to each other or any other ground signal.

NOTE: Some powered subwoofers require a ground connection. ere is a separate ground

binding post on the back of your amplier for this purpose.

Stellar Strata Amplier

Operation Guide

Adjusting e

Volume

e rst time the unit is activated aer power is applied, the volume will be set to 0. e volume

is adjusted by rotating the volume knob.

NOTE: e button and knob also serve to access various menu functions. is will be explained

in the menu section of this manual.

Selecting an

Input

e rst time the unit is activated aer power is applied, the unit will select Analog Input #1.

e selected input is shown on the display. Press the small, round Select button to the le of

the display to change inputs. e rst press will show the name of the already selected source.

Pressing the button again will step to the next input. Double-clicking the button will step

backwards to the previous input. e selection will wrap from the last input to the rst and vice-

versa.

Power Up

Transient

Upon startup, it’s common to hear a small sound from the connected speakers. is is normal

and is not harmful to the loudspeakers.

Streaming Before you can use the streaming features on your Stellar Strata, you must connect it to the

internet and your local network. See the “Menu Features” section for details. Once that is done,

you can play music to it from any application or server that uses UPnP. e Strata should appear

in your soware as “StellarStrataAmp_xxxx’ (e last 4 characters are unique for each unit).

If you are using Spotify on your personal computer or mobile device, look for an “Available

Devices” setting in the application. You should see your Strata listed. Remember your Strata and

your computer or mobile device must be connected to the same network.

Activating the

Unit

e PS Audio logo in the upper le corner of the Stellar Strata Amplier serves to activate and

disable the unit. Press the logo/button to activate your amplier. e button will illuminate and

the display will show the PS Audio logo for a moment. Aer that you will see a “0” on the screen.

is is your volume setting. e unit is now ready for setup and initial operation.

Stellar Strata Amplier

Operation Guide

Using the

Remote

All of the most-used functions can be operated from the included IR remote control.

Idle Mode

Use the “O” button to put the unit in Idle mode. Use the “On” button to return it to the

operating mode.

Volume and Balance

ere are two sets of volume buttons on the remote, and you may use whichever are more

comfortable or convenient for you. One set is the bar with “-“ and “+” symbols on it. e other

set of volume controls is the up and down arrows.

Input Select

ere are 9 input buttons that allow you to directly select any of the Stellar Strata Amplier’s

sources.

Filter and Phase

e Strata has a digital lter that can tailor the sound of digital sources to the listener’s

preference. Changing the lter and phase settings is oen desirable during a listening session,

and buttons are provided to adjust those settings directly from the remote control. Please see the

corresponding sections under “Menu Features” for more details on what these features do.

NOTE: e lter settings only apply to digital inputs.

Display Dim

Pressing the “Dim” button will turn o the display and all the indicators on your Stellar Strata

Amplier. Any time you press any button on your remote control, the Strata will wake up and

reactivate the display and indicators for 7 seconds. Aer 7 seconds with no button activity, the

display will go dark again. Pressing the “On” button will restore the Strata display to normal

operation.

NOTE: e “Dim” button operates many PS Audio products, so that one button press will

darken your entire equipment stack for a less distracting listening experience.

HT (Home eater)

e HT, or Fixed Volume button, activates the xed volume input, Analog Input #3 as described

in the Setup section of the manual. If you have not congured your Stellar to use this feature the

HT button will not do anything.

Stellar Strata Amplier

Operation Guide

Menu Features e Stellar Strata Amplier features a menu display system that is accessible using the small

selector button and the large silver knob. It’s a good idea to familiarize yourself with the dierent

functions in the Stellar Strata Amplier’s menu. To access the menu, simply press and hold the

menu button to the le of the display. A gear icon will appear in the upper right corner showing

that you are in the Settings menu.

Exiting the Menus

Executing a long press of the menu button (holding for more than two seconds) will exit the

menus and return the unit to the Home screen. e menus will also timeout aer seven seconds.

Note that settings are typically saved in real time as the changes are made.

Balance

e Balance feature allows you to adjust the center location of the stereo image. Turning the knob

to the le will reduce the gain of the right channel, thus making the image to come more from

the le channel, and vice-versa. e balance steps are each 1/4dB and the range is 48 steps each

way for a maximum shi of 12dB.

When the balance is set to anything other than the center position, there will be an icon on the

Home screen to indicate this state.

Phase

e phase feature allows you to invert the signal from the digital inputs. (It does not aect the

analog sources) Turning the knob will change the absolute polarity of the signal from “Norm”

(Normal) to “Inv” (Inverted). is can be useful when listening to certain source material which

may have inverted absolute polarity. NOTE: Some listeners are more sensitive to absolute polarity

than others.

Stellar Strata Amplier

Operation Guide

Menu Features

(Continued)

Filter

e lter selection feature allows you to choose the properties of the digital lter in the Strata’s

built-in DAC. e lter selection does not aect the analog sources.

Digital lters generally have a trade-o between how sharp the lter is and how much ringing

results. A sharp lter allows the most high-frequency signal to pass through, but at the expense of

greater ringing. ere are three lter options in the Stellar Strata Amplier.

Filter 1 is “Fast Roll-o Linear Phase”. is lter has very good high frequency response. It has

slightly less ringing than Filter 2 but it does exhibit pre-ringing. While this lter may actually

measure the best in a laboratory, we found it to be the most analytical sounding. is is the

default lter for the Strata.

When this lter is activated, an F1 will appear in the icon bar on the top of the Home screen.

Filter 2 is “Slow Roll-o Linear Phase”. is lter is the least sharp and has the least amount of

ringing. ere is a slight loss in high frequencies that might be noticeable on CDs and other

44.1KHz sample rate material. It should not be detectable at all with higher sample rate sources.

When this lter is activated, an F2 will appear in the icon bar on the top of the Home screen.

Filter 3 is “Fast Roll-o Minimum Phase”. is lter has more extended high frequency response

than Filter 2 but more ringing as well. ere is no pre-ringing (an undesirable artifact of some

digital lters) so this is still a very musical sounding lter. Some people may prefer this lter for

44.1KHz source material.

When this lter is activated, an F3 will appear in the icon bar on the top of the Home screen.

Stellar Strata Amplier

Operation Guide

Menu Features

(Continued)

Version

is menu display shows the versions of the Strata’s rmware. If you need to contact our

customer service team for help with your unit, please have this information ready.

More Settings

ere are additional, less oen used features in the Settings sub-menus. e features are divided

into three groups: Audio, System, and Network. Sub-menus are displayed on the screen with a

triangle pointing to the right. To enter these sub-menus, press the menu button repeatedly until

the desired sub-menu is displayed, then double-press the menu button to go into the sub-menu.

Audio sub-menu (double press to open)

Input Names sub-menu (double press to open)

Input Names is a sub-menu inside the Audio sub-menu. is feature allows you to customize

the name shown for each input. For example, if you are using Input #1 for your turntable, you

can change the name shown on the display from the default of “Analog 1” to “Phono”. You can

enter the Input Names sub-menu the same way as other sub-menus, by double pressing the menu

button.

When you enter this sub-menu, you will be guided through the process of selecting new input

names.

Stellar Strata Amplier

Operation Guide

Menu Features

(Continued)

Volume Trim sub-menu (double press to open)

is feature allows you to adjust the relative volume level of each input. is is useful if you

have sources that are especially louder or soer than others. You can trim their volume so that

changing inputs does not require a large compensating change to the volume setting. Each input

can be adjusted up to 10dB higher or lower.

Headphone Trim

is feature allows you to adjust the relative volume when using headphones. If your headphones

are very sensitive, you may wish to adjust this setting so the headphones are not too loud when

you plug them in. Similarly, if your headphones play too soly compared to the volume through

the speakers, you can use the Headphone Trim to increase the gain. e Headphone Trim can be

adjusted up to 10dB higher and lower.

Speaker Maximum Volume

In some situations, especially with high-sensitivity speakers, the Strata’s volume control

might have too much range and allow your system to play at potentially dangerous levels. e

Maximum Volume feature can be used to limit the maximum volume control setting to a safer

level.

Stellar Strata Amplier

Operation Guide

Menu Features

(Continued)

Analog 3 Fixed Volume

e Fixed Input feature allows you to congure Analog Input #3 to always have the same xed

volume setting. is is useful if you are using the Stellar Strata Amplier to power the front

channels in a surround sound system. In this conguration, the output of your surround receiver

would be connected to Analog Input #3. Set the Fixed Input volume setting to match your other

speakers. When Analog Input #3 is selected the volume control on the Strata will be locked and

you will control the volume using your surround receiver. If this value is anything except OFF,

then you may also use the HT button on the remote to activate Analog Input #3.

System sub-menu (double click to open)

Trigger Delay

is feature allows the trigger output to be delayed a period of time aer the Strata is activated.

e time delay can be adjusted from 0 to 60 seconds.

Backlight

e brightness of the display can be adjusted to suit your room lighting any your tastes. e

range is from 1 to 10.

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PS Audio Stellar Strata Owner's manual

Brand: PS Audio

Model: Stellar Strata

Type: Owner's manual

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